use a wrapper for exiting instead of just calling exit()

this might also fix the webgl build issue

src/game/level_update.c

@@ -29,8 +29,7 @@
 #include "course_table.h"
 #include "thread6.h"
 #include "../../include/libc/stdlib.h"
-#include "../pc/configfile.h"
-#define CONFIG_FILE "sm64config.txt"
+#include "../pc/pc_main.h"
 
 #include "pc/cliopts.h"
 
@@ -1024,32 +1023,23 @@ s32 play_mode_paused(void) {
         raise_background_noise(1);
         gCameraMovementFlags &= ~CAM_MOVE_PAUSE_SCREEN;
         set_play_mode(PLAY_MODE_NORMAL);
-    }
+    } else if (gPauseScreenMode == 2) {
         // Exit level
-	else if (gPauseScreenMode == 2) {
-
         if (gDebugLevelSelect) {
             fade_into_special_warp(-9, 1);
-        	}
-
-		else {
+        } else {
             initiate_warp(LEVEL_CASTLE, 1, 0x1F, 0);
             fade_into_special_warp(0, 0);
             gSavedCourseNum = COURSE_NONE;
         }
-
-     } // end of gPauseScreenMode == 2 for "EXIT COURSE" option
-
-      	if (gPauseScreenMode == 3) { // We should only be getting "int 3" to here
+    } else if (gPauseScreenMode == 3) {
+        // We should only be getting "int 3" to here
         initiate_warp(LEVEL_CASTLE, 1, 0x1F, 0);
         fade_into_special_warp(0, 0);
-
-	    //configfile_save(CONFIG_FILE);
-            exit(0);  // Appears to automatically save config on exit!
+        game_exit();
     }
 
     gCameraMovementFlags &= ~CAM_MOVE_PAUSE_SCREEN;
-   // }
 
     return 0;
 }

src/game/mario_actions_cutscene.c

@@ -29,8 +29,7 @@
 #include "dialog_ids.h"
 #include "thread6.h"
 #include "../../include/libc/stdlib.h"
-#include "../pc/configfile.h"
-#define CONFIG_FILE "sm64config.txt"
+#include "../pc/pc_main.h"
 
 // TODO: put this elsewhere
 enum SaveOption { SAVE_OPT_SAVE_AND_CONTINUE = 1, SAVE_OPT_SAVE_AND_QUIT, SAVE_OPT_SAVE_EXIT_GAME, SAVE_OPT_CONTINUE_DONT_SAVE };
@@ -263,17 +262,11 @@ void handle_save_menu(struct MarioState *m) {
 
             if (gSaveOptSelectIndex == SAVE_OPT_SAVE_AND_QUIT) {
                 fade_into_special_warp(-2, 0); // reset game
-            }
-
-		if (gSaveOptSelectIndex == SAVE_OPT_SAVE_EXIT_GAME) {
-                //configfile_save(CONFIG_FILE); //Redundant, save_file implies save_config? Save config file before fully exiting
+            } else if (gSaveOptSelectIndex == SAVE_OPT_SAVE_EXIT_GAME) {
                 //initiate_warp(LEVEL_CASTLE, 1, 0x1F, 0);
                 fade_into_special_warp(0, 0);
-
-	    	//fade_into_special_warp(-2, 0); // do the reset game thing
-                exit(0);  // exit after saving game
+                game_exit();
             }
-
         }
 
         // not quitting

src/game/options_menu.c

@@ -16,6 +16,7 @@
 #include "game/game_init.h"
 #include "game/ingame_menu.h"
 #include "game/options_menu.h"
+#include "pc/pc_main.h"
 #include "pc/cliopts.h"
 #include "pc/configfile.h"
 #include "pc/controller/controller_api.h"
@@ -161,7 +162,7 @@ struct SubMenu {
 /* button action functions */
 
 static void optmenu_act_exit(UNUSED struct Option *self, s32 arg) {
-    if (!arg) exit(0); // only exit on A press and not directions
+    if (!arg) game_exit(); // only exit on A press and not directions
 }
 
 /* submenu option lists */

src/pc/pc_main.c

@@ -18,6 +18,7 @@
 #include "audio/audio_sdl.h"
 #include "audio/audio_null.h"
 
+#include "pc_main.h"
 #include "cliopts.h"
 #include "configfile.h"
 #include "controller/controller_api.h"
@@ -46,13 +47,11 @@ void dispatch_audio_sptask(struct SPTask *spTask) {
 void set_vblank_handler(s32 index, struct VblankHandler *handler, OSMesgQueue *queue, OSMesg *msg) {
 }
 
-static uint8_t inited = 0;
+static bool inited = false;
 
 #include "game/display.h" // for gGlobalTimer
 void send_display_list(struct SPTask *spTask) {
-    if (!inited) {
-        return;
-    }
+    if (!inited) return;
     gfx_run((Gfx *)spTask->task.t.data_ptr);
 }
 
@@ -92,11 +91,19 @@ void audio_shutdown(void) {
     }
 }
 
-void game_shutdown(void) {
+void game_deinit(void) {
     configfile_save(gCLIOpts.ConfigFile);;
     controller_shutdown();
     audio_shutdown();
     gfx_shutdown();
+    inited = false;
+}
+
+void game_exit(void) {
+    game_deinit();
+#ifndef TARGET_WEB
+    exit(0);
+#endif
 }
 
 #ifdef TARGET_WEB
@@ -128,6 +135,7 @@ static void on_anim_frame(double time) {
         }
     }
 
+    if (inited) // only continue if the init flag is still set
         request_anim_frame(on_anim_frame);
 }
 #endif
@@ -138,12 +146,7 @@ void main_func(void) {
     gEffectsMemoryPool = mem_pool_init(0x4000, MEMORY_POOL_LEFT);
 
     configfile_load(gCLIOpts.ConfigFile);
-    atexit(game_shutdown);
 
-#ifdef TARGET_WEB
-    emscripten_set_main_loop(em_main_loop, 0, 0);
-    request_anim_frame(on_anim_frame);
-#endif
     wm_api = &gfx_sdl;
     rendering_api = &gfx_opengl_api;
     gfx_init(wm_api, rendering_api);
@@ -159,16 +162,14 @@ void main_func(void) {
     sound_init();
 
     thread5_game_loop(NULL);
+
+    inited = true;
+
 #ifdef TARGET_WEB
-    /*for (int i = 0; i < atoi(argv[1]); i++) {
-        game_loop_one_iteration();
-    }*/
-    inited = 1;
+    emscripten_set_main_loop(em_main_loop, 0, 0);
+    request_anim_frame(on_anim_frame);
 #else
-    inited = 1;
-    while (1) {
     wm_api->main_loop(produce_one_frame);
-    }
 #endif
 }
 

src/pc/pc_main.h

@@ -0,0 +1,7 @@
+#ifndef _PC_MAIN_H
+#define _PC_MAIN_H
+
+void game_deinit(void);
+void game_exit(void);
+
+#endif // _PC_MAIN_H